TJitchcock — The Crasscs of Hawaii 



195 



the few branches appressed; spikelets oblong, 2 mm. long, glabrous; first glume one-fourth to 

 one-third as long as spikelet ; second glume and sterile lemma equal or the glume a little shorter, 

 7 to 9-nerved, the sterile palea about one-third as long as the lemma ; fruit 2 mm long acute 

 (fig. 85). 



Open bogs on mountain summits. Originally dcscrihcd from tlic '"swampy 

 summit of Mt. Eeka, Maui." 



Katiai : Summit of W'aialeale, Rock; Hitchcock 15504, 15505. Kauluwehi boo" 



near Kaholuamano, Hitchcock 155 18. 

 Molokai : Kawela bog, Forbes 190. 

 Maui: Puu Kukui, \\'est Maui, Ilitclicock 14733. Williout locaHty, Wilkes 



Expk Exped. 



Flt;uuE ^4- — Panicuin imbricatum. 

 From Forbes 879, Kauai. 



Figure 85. — Panicuin i^achiinidcs. 

 From Hitchcock 15.S18, Kauai. 



16. Panicum imbricatum Hillebr. Fl. Haw. Isl. 501. 1888. 



Plants perennial, forming tussocks 20 to 30 cm. or more in diameter, repeatedly branch- 

 ing, the old stems dying and new shoots forming at the periphery : cidms indefinite in length, 

 the new shoots less than 10 cm. long, the leaves closely imbricate: sheaths glabrous or somewhat 

 hispid, striate: ligule less than i mm. long, ciliate; blades stiff and firm, spreading, i to 1.5 cm. 

 long, 2 to 4 mm. wide, scaberulous on the margin or sometimes ciliate near the base, flat or 

 becoming more or less involute ; panicle narrow, few-flowered, i to 2 cm. long, the few branches 

 appressed: spikelets 2 mm. long or a little less, oblong-elliptic, glabrous; first glume one-third as 

 long as spikelet ; second glume and sterile lemma alx)ut equal or the glume a little shorter, 

 7-nerved, the palea half as long as the lemma: fruit a little less than 2 mm. long (fig. 84). 



Forming tussocks in open bogs at the summit of mountains. Originally 

 described from the "swampy summit of Mt. Eeka, Maui." 



Kauai: Near Kaholuamano, Forbes 401. Alakai bog, Forbes 879. \\'aialeale, 

 Rock 5644; Forbes 402; Rock in 1911. 



Oahu : Koolauloa Mountains, between Punaluu and Kaipapau, northern part of 



island, Forbes in 1909. 

 Molokai: Kawela bog, Forbes 191; Rock; Hitchcock 15195; Forbes 15. 

 Maui: I'uu Ktikui, \\'est Maui, Hitchcock 14732, 15505^; stimmit of Eeka, 



Forbes 390; Rock. 



[97] 



